Ricoh G133 Service Manual page 245

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
3. Check and/or replace the tray lift motor.
4. Replace the IOB.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Tray 3 error (Paper Tray Unit, Paper Feed Unit or LCT)
For the two-tray paper feed unit or one-tray paper tray unit:
For the LCT:
For the two-tray paper feed unit or one-tray paper tray unit:
503-01 B
For the LCT:
1. Check the cable connections.
2. Check and/or replace the defective component.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
503-02 B Tray 3 error (Paper Tray Unit, Paper Feed Unit or LCT)
This SC is generated if the following condition occurs 3 consecutive
times.
For the two-tray paper feed unit or one-tray paper tray unit:
SM
When the tray lift motor is turned on, the upper limit is not
detected within 10 seconds
SC 503-01 occurs if the upper or lower limit is not detected
within 8 seconds when the tray lift motor is turned on to lift or
lower the tray.
Defective tray lift motor or connector disconnection
Defective lift sensor or connector disconnection
Defective stack transport clutch or connector disconnection
Defective tray motor or connector disconnection
Defective end fence home position sensor or connector
disconnection
Defective upper limit sensor or connector disconnection
Defective tray lift motor or connector disconnection
4-29
SC Table
G133